Thank you so much!! I was struggling to wrap my head around this and finding information was quite difficult because Google didn't quite understand what I meant so this broke it down in simple and easy step by step guides! I know understand it fully! Thank you so much! This is gonna help greatly for my test tomorrow 😁

You helped my daughter a lot thank you❤️

I will like to thank you a lot you've really helped me a lot

Thank you its brief and essy to understand

Very big help for my exams THANKS DUDE!

best teacher ever !!!!!

Thanks for the simple explanation 🤧😁

thank you..

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Examples2 Wavelength = 4.76m

V= 41.47 m/s ✍

albert einstein #2

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